Dolby Laboratories CP500-300 Installation Manual download pdf (Page 4)

TABLE OF CONTENTS

INTRODUCTION

Specifications ............................................................................................................................................... iii

About This Manual ..................................................................................................................................... iv

SECTION 1 EQUIPMENT REQUIRED/POWER REQUIREMENTS

1.1 Equipment Required .................................................................................................................. 1-1

1.2 Power Requirements .................................................................................................................. 1-1

1.3 Regulatory Notices ..................................................................................................................... 1-2

SECTION 2 INITIAL SETUP AND INSTALLATION

2.1 Mounting the Digital Soundhead ............................................................................................. 2-1

2.2 Electrical Connections to the Digital Soundhead................................................................... 2-4

2.3 Making a Custom Video Cable ................................................................................................. 2-5

2.4 Connection to Motor Start Relays–For 2 Projector Installations .......................................... 2-9

2.5 Connection to Dolby Cinema Processors .............................................................................. 2-10

2.5.1 Installation of DA20 with CP55 ................................................................................ 2-10

2.5.2 Installation of DA20 with CP65 ................................................................................ 2-40

2.5.3 Installation of DA20 with CP200 .............................................................................. 2-43

2.5.4 Installation of DA20 with CP45 ................................................................................ 2-82

2.5.5 Installation of DA20 with CP500 .............................................................................. 2-85

SECTION 3 CAT. NO. 700 DIGITAL SOUNDHEAD ALIGNMENT

3.1 Cat. No.700 Digital Soundhead Alignment ........................................................................... 3-1

3.2 Test Setup with Oscilloscope .................................................................................................... 3-1

3.3 Focus Adjustment ....................................................................................................................... 3-2

3.4 Exciter Lamp Level Confirmation and Adjustment .............................................................. 3-3

3.5 Film Path Alignment .................................................................................................................. 3-3

3.6 Optical Alignment ...................................................................................................................... 3-4

SECTION 4 MODEL DA20 ALIGNMENT

4.1 Cinema Processor Type Selection............................................................................................. 4-1

4.2 Digital Soundhead Delay Adjustment..................................................................................... 4-2

4.3 Digital Surround Delay Adjustment ........................................................................................ 4-3

SECTION 5 THEORY OF OPERATION

5.1 DA20 Basic Functions................................................................................................................. 5-1

5.2 Discussion of Changeover Technique ..................................................................................... 5-3

5.3 Format Control ............................................................................................................................ 5-3

5.4 Auxiliary Data Channel ............................................................................................................. 5-4

5.5 Dolby Digital Decoder Block Diagram .................................................................................... 5-5

SECTION 6 OPERATING INSTRUCTIONS

6.1 How to Identify Sound Tracks on Prints ................................................................................. 6-1

6.2 Film Threading ............................................................................................................................ 6-1

6.3 Displays ........................................................................................................................................ 6-2

6.4 Format Control and Auto Digital Modes ................................................................................ 6-4

6.5 Auxiliary Data Channel ............................................................................................................. 6-7

6.6 Two Projector Changeover Operation ..................................................................................... 6-7

6.7 Operation With An Automation System ................................................................................. 6-8

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